{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["vulnerable system", "vulnerability", "issues addressed", "time", "releaser", "vulnerable system version", "supported platform", "patch number", "common vulnerabilities and exposures", "patch"]}], "input": "There 's currently no means of decrypting GandCrab ransomware files for free at this time , meaning the best way to avoid falling victim is to ensure all software updates and patches have been applied to ensure the vulnerabilities exploited by the exploit kits ca n't be used to distribute ransomware from infected sites ."}
{"patch vulnerability": [{"vulnerable system": "NAN", "vulnerability": "the vulnerabilities", "issues addressed": "NAN", "time": "NAN", "releaser": "NAN", "vulnerable system version": "NAN", "supported platform": "NAN", "patch number": "NAN", "common vulnerabilities and exposures": "NAN", "patch": ["patches", "software updates"]}]}